20001010210220 has 48 divisors (see below), whose sum is σ = 45233731347168. Its totient is φ = 7384877775360.

The previous prime is 20001010210211. The next prime is 20001010210297. The reversal of 20001010210220 is 2201201010002.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17961347 + ... + 19042373.

It is an arithmetic number, because the mean of its divisors is an integer number (942369403066).

Almost surely, 2^{20001010210220} is an apocalyptic number.

20001010210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20001010210220 is an abundant number, since it is smaller than the sum of its proper divisors (25232721136948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20001010210220 is a wasteful number, since it uses less digits than its factorization.

20001010210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152210 (or 1152208 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20001010210220 its reverse (2201201010002), we get a palindrome (22202211220222).

The spelling of 20001010210220 in words is "twenty trillion, one billion, ten million, two hundred ten thousand, two hundred twenty".